Sign



FIG. 1 is a right perspective view of a sign, showing our new design;

FIG. 2 is a left perspective view thereof;

FIG. 3 is a front view thereof, the rear view being a mirror image thereof; and,

FIG. 4 is a bottom view thereof.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a sign, as shown and described. 